Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
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The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
The higher someone’s I.Q. the more likely they are to be sleep deprived.
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The average cat sleeps about 2/3 of the day.
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